[
https://issues.apache.org/jira/browse/PROTON-1709?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Xin Chen updated PROTON-1709:
-----------------------------
Description:
ApplicationEvent creates a new EventType object in the constructor. The
EventType object adds itself to the TYPES dict always, even for the same
typename. There is no way for the application to avoid this by providing an
EventType object directly. Repro code below:
{code:java}
import threading
from proton.reactor import Container, ApplicationEvent, EventInjector
class Program:
def __init__(self, injector):
self.injector = injector
def on_reactor_init(self, event):
event.reactor.selectable(self.injector)
def on_hello(self, event):
print(event.subject)
def on_done(self, event):
event.subject.stop()
e = EventInjector()
r = Container(Program(e))
t = threading.Thread(target=r.run)
t.start()
for i in range(1, 10000000):
e.trigger(ApplicationEvent("hello", subject=str(i)))
e.trigger(ApplicationEvent("done", subject=r))
t.join()
{code}
was:
ApplicationEvent creates a new EventType object in the constructor. The
EventType object adds itself to the TYPES dict always, even for the same
typename. There is no way for the application to avoid this by providing an
EventType object directly. Repro code below:
import threading
from proton.reactor import Container, ApplicationEvent, EventInjector
class Program:
def __init__(self, injector):
self.injector = injector
def on_reactor_init(self, event):
event.reactor.selectable(self.injector)
def on_hello(self, event):
print(event.subject)
def on_done(self, event):
event.subject.stop()
e = EventInjector()
r = Container(Program(e))
t = threading.Thread(target=r.run)
t.start()
for i in range(1, 10000000):
e.trigger(ApplicationEvent("hello", subject=str(i)))
e.trigger(ApplicationEvent("done", subject=r))
t.join()
> Python binding: ApplicationEvent causing memory growth
> ------------------------------------------------------
>
> Key: PROTON-1709
> URL: https://issues.apache.org/jira/browse/PROTON-1709
> Project: Qpid Proton
> Issue Type: Bug
> Components: python-binding
> Affects Versions: proton-c-0.18.1
> Reporter: Xin Chen
>
> ApplicationEvent creates a new EventType object in the constructor. The
> EventType object adds itself to the TYPES dict always, even for the same
> typename. There is no way for the application to avoid this by providing an
> EventType object directly. Repro code below:
> {code:java}
> import threading
> from proton.reactor import Container, ApplicationEvent, EventInjector
> class Program:
> def __init__(self, injector):
> self.injector = injector
> def on_reactor_init(self, event):
> event.reactor.selectable(self.injector)
> def on_hello(self, event):
> print(event.subject)
> def on_done(self, event):
> event.subject.stop()
> e = EventInjector()
> r = Container(Program(e))
> t = threading.Thread(target=r.run)
> t.start()
> for i in range(1, 10000000):
> e.trigger(ApplicationEvent("hello", subject=str(i)))
> e.trigger(ApplicationEvent("done", subject=r))
> t.join()
> {code}
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